Lune \Lune\ (l[=u]n), n. [L. luna moon: cf. F. lune. See
{Luna}.]
1. Anything in the shape of a half moon. [R.]
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2. (Geom.) A figure in the form of a crescent, bounded by two
intersecting arcs of circles.
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3. A fit of lunacy or madness; a period of frenzy; a crazy or
unreasonable freak. [Obs.]
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These dangerous, unsafe lunes i' the king. --Shak.
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